/*
 * The LevelDB-CLI Project
 * Copyright (C) 2024 JuRuoqwq<BitPasta@163.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include "format_input.h"

#include <sstream>

std::string FormatInput::ToLower(std::string input) const
{
    std::string result;
    for (const char ch : input) {
        result.push_back(tolower(ch));
    }

    return result;
}

std::vector<std::string> FormatInput::SplitInput(const std::string input) const
{
    if (input.empty()) {
        return {};
    }

    std::vector<std::string> result;
    std::string token;
    std::istringstream stream(ToLower(input));

    // 通过getline找到空格
    while (std::getline(stream, token, ' ')) {
        if (!token.empty()) {
            result.push_back(token);
        }
    }
    return result;
}